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501-4457337-20 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

501-4457337-20: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include special_features: HOLES COUNTERBORED AT 0.594 DIA AND 0.438 DEEP, attachment_method: ROUND HOLE, peripheral_diameter: 18.750 INCHES NOMINAL IN, center_hole_diameter: 16.500 INCHES MINIMUM AND 16.505 INCHES MAXIMUM IN, attachment_hole_diameter: 0.406 INCHES NOMINAL IN, flanged_body_outside_diameter: 17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-159-1151, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
501-4457337-20
NSN: 5330-01-159-1151
FSC: 5330 — Packing and Gasket Materials
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
special_featuresHOLES COUNTERBORED AT 0.594 DIA AND 0.438 DEEP
attachment_methodROUND HOLE
peripheral_diameter18.750 INCHES NOMINAL IN
center_hole_diameter16.500 INCHES MINIMUM AND 16.505 INCHES MAXIMUM IN
attachment_hole_diameter0.406 INCHES NOMINAL IN
attachment_feature_quantity8
flanged_body_outside_diameter17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN
NSN5330-01-159-1151
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 501-4457337-20 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ATTACHMENT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 8
•
FLANGED BODY OUTSIDE DIAMETER: 17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 18.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 16.500 INCHES MINIMUM AND 16.505 INCHES MAXIMUM IN
•
ATTACHMENT METHOD: ROUND HOLE
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.406 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY8
FLANGED BODY OUTSIDE DIAMETER17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN
PERIPHERAL DIAMETER18.750 INCHES NOMINAL IN
SPECIAL FEATURESHOLES COUNTERBORED AT 0.594 DIA AND 0.438 DEEP
CENTER HOLE DIAMETER16.500 INCHES MINIMUM AND 16.505 INCHES MAXIMUM IN
ATTACHMENT METHODROUND HOLE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 501-4457337-20?
501-4457337-20 is a RETAINER,PACKING.
What is the NSN for 501-4457337-20?
501-4457337-20 is cataloged in the U.S. Government catalog under NSN 5330-01-159-1151. This indicates validated use in U.S. government and defense supply chains.
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